-a-163=12a+84

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Solution for -a-163=12a+84 equation: 



-a-163=12a+84

We move all terms to the left:

-a-163-(12a+84)=0

We add all the numbers together, and all the variables

-1a-(12a+84)-163=0

We get rid of parentheses

-1a-12a-84-163=0

We add all the numbers together, and all the variables

-13a-247=0

We move all terms containing a to the left, all other terms to the right

-13a=247

a=247/-13

a=-19

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